diff --git a/file.lua b/file.lua
index 257f346..48adc66 100644
--- a/file.lua
+++ b/file.lua
@@ -5,7 +5,7 @@ local io, minetest, modlib, string = io, minetest, modlib, string
 local _ENV = {}
 setfenv(1, _ENV)
 
-function split_extension(filename)
+function get_extension(filename)
 	return filename:match"(.*)%.(.*)$"
 end
 
diff --git a/minetest/media.lua b/minetest/media.lua
index 06a3fb2..e3acfb2 100644
--- a/minetest/media.lua
+++ b/minetest/media.lua
@@ -24,7 +24,7 @@ local function collect_media(modname)
 	local function traverse(folder)
 		local filenames = minetest.get_dir_list(folder, false)
 		for _, filename in pairs(filenames) do
-			local _, ext = modlib.file.split_extension(filename)
+			local _, ext = modlib.file.get_extension(filename)
 			if media_extensions[ext] then
 				media[filename] = folder .. "/" .. filename
 			end